[H-GEN] 'refridgerated' server rack

[Mick]

On Thu, 9 Dec 2010 13:02:31 +1000
Nick Kwiatkowski <nickolas at au1.ibm.com> wrote:

> Mick wrote on 09/12/2010 11:12:48 AM:
> 
> > 
> > The thought crossed my mind that I might be able to develop and
> > simple unit that could chill the cabinet less expensively.
> > 
> > Any thoughts?
> > 
> 
> I had a similar issue with the external unit for our A/C for our
> home. Ended up with a sound barrier around the unit that did make a
> difference. My comment on that was there are different types of sound
> materials and if not install correctly - the material will just
> capture and transfer the noise to something else to reasonate.
> 
> If you are ok with the cooling itself - ignoring the noise. You could 
> consider sound cancellation. Since you are in a contained area it is 
> likely to be effective. Basic principle is phase reversal -- termed
> as active noise control -->
> http://en.wikipedia.org/wiki/Active_noise_control
> 
> My thinking was along the lines of pulling apart a noise cancelling 
> headset and amplifying the speaker output.
> 
> 
The noise is a by product of the cooling problem and the x345 being a
2U rack mount box, everything is packed in tight and there is only room
for very small fans that have to run hard to push the air through.